
<fieldset class="layui-elem-field layui-field-title site-title">
    <legend><a name="fixbar">重庆轨道交通运营线网图</a></legend>
</fieldset>
<img src="http://localhost:8080/static/mod3/railwayMap.jpg" alt="重庆轨道交通运营线网图">
<style>
    img{
        width: auto;
        height: auto;
        max-width: 100%;
        max-height: 100%;
    }
</style>